/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <i386/misc_protos.h>
#include <i386/pmap.h>
#include <i386/mtrr.h>
#include <i386/acpi.h>
+#include <i386/fpu.h>
#include <i386/mp.h>
+#include <i386/mp_desc.h>
+#include <i386/machine_check.h>
#include <kern/cpu_data.h>
extern void set_kbd_leds(int leds);
+extern void fpinit(void);
+
vm_offset_t
acpi_install_wake_handler(void)
{
/* copy wake code to ACPI_WAKE_ADDR in low memory */
- bcopy_phys((addr64_t) kvtophys((vm_offset_t)acpi_wake_start),
+ bcopy_phys(kvtophys((vm_offset_t)acpi_wake_start),
(addr64_t) ACPI_WAKE_ADDR,
acpi_wake_end - acpi_wake_start);
static void
acpi_hibernate(void *refcon)
{
- boolean_t hib;
+ boolean_t dohalt;
acpi_hibernate_callback_data *data = (acpi_hibernate_callback_data *)refcon;
if (current_cpu_datap()->cpu_hibernate) {
- hib = hibernate_write_image();
+
+ dohalt = hibernate_write_image();
+ if (dohalt)
+ {
+ // off
+ HIBLOG("power off\n");
+ if (PE_halt_restart)
+ (*PE_halt_restart)(kPEHaltCPU);
+ }
+ else
+ {
+ // sleep
+ HIBLOG("sleep\n");
+
+ // should we come back via regular wake, set the state in memory.
+ cpu_datap(0)->cpu_hibernate = 0;
+ }
}
(data->func)(data->refcon);
acpi_hibernate_callback_data data;
boolean_t did_hibernate;
- /* shutdown local APIC before passing control to BIOS */
- lapic_shutdown();
+ kprintf("acpi_sleep_kernel hib=%d\n", current_cpu_datap()->cpu_hibernate);
+
+ /* shutdown local APIC before passing control to BIOS */
+ lapic_shutdown();
data.func = func;
data.refcon = refcon;
- /*
- * Save master CPU state and sleep platform.
- * Will not return until platform is woken up,
- * or if sleep failed.
- */
+ /* Save HPET state */
+ hpet_save();
+
+ /*
+ * If we're in 64-bit mode, drop back into legacy mode during sleep.
+ */
+ if (cpu_mode_is64bit()) {
+ cpu_IA32e_disable(current_cpu_datap());
+ kprintf("acpi_sleep_kernel legacy mode re-entered\n");
+ }
+
+ /*
+ * Save master CPU state and sleep platform.
+ * Will not return until platform is woken up,
+ * or if sleep failed.
+ */
acpi_sleep_cpu(acpi_hibernate, &data);
- /* reset UART if kprintf is enabled */
- if (FALSE == disableSerialOuput)
- serial_init();
+ /* reset UART if kprintf is enabled */
+ if (FALSE == disableSerialOuput)
+ serial_init();
+
+ kprintf("ret from acpi_sleep_cpu hib=%d\n", current_cpu_datap()->cpu_hibernate);
if (current_cpu_datap()->cpu_hibernate) {
- * (int *) CM1 = 0;
- * (int *) CM2 = 0;
- * (int *) CM3 = 0;
+ int i;
+ for (i=0; i<PMAP_NWINDOWS; i++) {
+ *current_cpu_datap()->cpu_pmap->mapwindow[i].prv_CMAP = 0;
+ }
+ current_cpu_datap()->cpu_hibernate = 0;
+ did_hibernate = TRUE;
- current_cpu_datap()->cpu_hibernate = 0;
+ } else {
+ did_hibernate = FALSE;
+ }
- did_hibernate = TRUE;
+ /* Re-enable 64-bit mode if necessary. */
+ if (cpu_mode_is64bit()) {
+ cpu_IA32e_enable(current_cpu_datap());
+ cpu_desc_load64(current_cpu_datap());
+ kprintf("acpi_sleep_kernel 64-bit mode re-enabled\n");
+ fast_syscall_init64();
} else {
- did_hibernate = FALSE;
+ fast_syscall_init();
}
- /* restore MTRR settings */
- mtrr_update_cpu();
+ /* Re-enable machine check handling */
+ mca_cpu_init();
- /* set up PAT following boot processor power up */
- pat_init();
+ /* restore MTRR settings */
+ mtrr_update_cpu();
+
+ /* set up PAT following boot processor power up */
+ pat_init();
if (did_hibernate) {
hibernate_machine_init();
}
- /* re-enable and re-init local apic */
- if (lapic_probe())
- lapic_init();
+ /* re-enable and re-init local apic */
+ if (lapic_probe())
+ lapic_init();
+
+ /* Restore HPET state */
+ hpet_restore();
+
+ /* let the realtime clock reset */
+ rtc_sleep_wakeup();
- /* let the realtime clock reset */
- rtc_sleep_wakeup();
+ fpinit();
+ clear_fpu();
if (did_hibernate) {
enable_preemption();
projects / apple / xnu.git / blobdiff